Abstract:Kelp has high nutritional value，rich in polysaccharide，dietary fiber and mineral elements.Kelp contains a large number of colloidal substances，traditional processing method is difficult to show in the organization taste substance extracted adequately，smell is heavier，the kelp processing products mainly sodium alginate or flavoring kelp，less processed varieties，low added value，development degree is not high.This article reviewed the modern processing technology and progress，which was aimed to provide reference for the research of seasoning of seasoning.